In this scheme the partition map is stored in the key-value store under a special sensor
node name scoped key. This is a way to provide a fixed map and does not help with any
dynamic mapping of sensors to sensor nodes.

This is a dynamic scheme where each sensor node is assigned one of more hash ranges. Each sensor itself
is hashed and depending on which bucket of the range it fits into a sensornode runs the sensor. Hash
schema is particulaly useful when there are a lot of sensors and fewer nodes typically characterized by
an order of magnitude difference.

A few special keys MIN and MAX can also be used. This is how a typical hash provider configuration
would look.